🇹🇭 Koh Samui vs Shanghai 🇨🇳

Koh Samui, Thailand vs Shanghai, China — a side-by-side climate comparison to help you pick. Koh Samui is the warmer of the two — about 9 degrees warmer on average across the year. Shanghai is drier, with roughly 187 fewer rainy days a year.

Warmer · Koh SamuiDrier · Shanghai

Climate at a glance

🇹🇭 Koh Samui🇨🇳 Shanghai
Avg annual high
29°C
20°C
Hottest month
April · 31°C
July · 32°C
Coldest monthJanuary (25°C low)January (1°C low)
Rainy days / year
306
119
SnowRareRare
Best months to visitFebruary, March, DecemberApril, May, October

🇹🇭 Koh Samui

Best around February, March, December. Hottest in April (31°C), coldest lows in January (25°C).

🇨🇳 Shanghai

Best around April, May, October. Hottest in July (32°C), coldest lows in January (1°C).

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Frequently asked questions

Is Koh Samui or Shanghai warmer?

Koh Samui is warmer overall, averaging about 9 degrees higher across the year.

Which is rainier, Koh Samui or Shanghai?

Koh Samui is rainier — Shanghai sees about 187 fewer rainy days per year.

When is the best time to visit Koh Samui vs Shanghai?

Koh Samui is best around February, March, December; Shanghai is best around April, May, October.

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